There's thousands of apps available that let you do everything from save money to watch TV on your smartphone. Your iPhone can even be a helpful tool when it comes to astronomy. Here's five free iPhone apps that will help you when it comes to learning about the planets and the stars.
With this free app you can view images and videos of space, stars and the planets, including Earth and the sun. The pictures are provided by NASA's Jet Propulsion Laboratory and you can even share them directly with friends on Facebook and Twitter.
This app puts all of the 88 star constellations in the sky on your iPhone. By simply touching the screen you can see the universe moving around you. Blue lines mark out the constellations while they're also named in green.
We love SkyORB because it not only offers 3D images of the planets and the stars in the sky, along with comets and asteroids, but it also comes a 'point to sky' feature that allows you to aim your handset towards a star or planet and it'll identify it for you.
We love this app because it puts hundreds of Astronomy and Space Flight facts at your fingertips.
Explore every aspect of the Moon with this app. You can float above its surface or simply see the moon as you would from earth. Check out the terrain and even watch the sunlight shift over the lunar landscape.